Katherine Applegate

Earth is secretly under attack, and the only thing standing in the way of total alien domination is a small group of kids with an incredible secret. Rachel and her best friends have the power to morph into any animal they touch. But the Yeerks—parasitic aliens that take over human minds—are everywhere, and anyone could be a host. When Rachel suspects that her assistant principal is secretly working for the enemy, she knows she has to uncover the truth. Being the brave daredevil of the group, she volunteers for a highly dangerous undercover mission. Using her morphing abilities, Rachel plans to sneak right into the heart of the enemy's home. But what she discovers inside is more shocking and terrifying than anyone could have predicted. Can Rachel navigate this deadly operation without getting caught, or will she become the Yeerks' next victim? Dive into this action-packed science fiction adventure filled with shape-shifting, narrow escapes, and incredible bravery.

The mysterious dreams start small, but they quickly become impossible to ignore. Cassie tries to brush off the strange visions of the deep ocean, assuming they are just another bizarre side effect of her newfound ability to morph into animals. But the situation takes a terrifying turn when she discovers that Tobias is experiencing the exact same dreams. A powerful, desperate voice is calling out to them from beneath the waves, begging for rescue. Now, Cassie, Tobias, Jake, Rachel, and Marco must band together to uncover the source of this telepathic cry for help. You will dive into the action as the team risks everything to navigate the dangerous depths of the ocean. They have to figure out if this mysterious message is coming from a powerful new ally who could help them fight the alien invasion, or if it is a deadly trap designed to wipe them out forever. This thrilling sci-fi adventure tests the limits of their courage and teamwork.